In this Software video tutorial you will type math equations in Open Office Writer. Double click and open up the writer. First you got to add a button to the toolbar. For this, click on the arrow at the end of the toolbar and select 'customize toolbar'. On the window that pops up, click on 'add'. Then highlight 'insert' (on left hand side) and 'formula' (on the right hand side) and then click add > close > OK. You can now see the formula button on the toolbar. To add a mathematical equation to the button, click on the button and then type in the equation in the lower box. That's it!